Low‑Smoke Zero‑Halogen (LSZH) compounds are polymeric materials engineered to emit minimal smoke and non‑halogenated gases when exposed to fire, making them essential for cable insulation, wire coatings, and molded components in safety‑critical environments. Low‑Smoke Zero‑Halogen (LSZH) Compounds market size was valued at approximately USD 2.8 billion in 2025, and the market forecast anticipates a CAGR of 5.6% from 2026 to 2033, reaching roughly USD 4.2 billion by 2033. The growth outlook is propelled by tightening fire‑safety regulations (e.g., IEC 60332, NFPA 70E), rapid expansion of data‑center infrastructure, electrification of transport, and rising demand for low‑smoke cabling in rail, aerospace, and renewable‑energy projects. Key forces shaping the industry include stringent regulatory compliance, accelerated adoption of high‑performance LSZH polymer technologies, and intensified competition among leading chemical manufacturers such as Solvay, Dow, and SABIC. Asia‑Pacific remains the largest market by revenue, while the Middle East & Africa region is emerging as the fastest‑growing segment due to large‑scale infrastructure investments.